Perennials : the gardener's reference /
Carter, Susan,1944-
Becker, Carrie.
Lilly, Bob,1947-
Portland, Or. : Timber Press,
2007.
Includes bibliographical references (p. 517-518) and index.
Plant families and characteristics -- Plants for special gardens -- Maintenance guidelines -- Perennials A-to-Z.
Perennials.